EP0368498B1 - Verfahren und Vorrichtung zum Abtasten von Strichkodes auf einem laufenden Blatt - Google Patents

Verfahren und Vorrichtung zum Abtasten von Strichkodes auf einem laufenden Blatt Download PDF

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Publication number
EP0368498B1
EP0368498B1 EP89310865A EP89310865A EP0368498B1 EP 0368498 B1 EP0368498 B1 EP 0368498B1 EP 89310865 A EP89310865 A EP 89310865A EP 89310865 A EP89310865 A EP 89310865A EP 0368498 B1 EP0368498 B1 EP 0368498B1
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EP
European Patent Office
Prior art keywords
bar code
sheets
scanner
sheet
reading
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP89310865A
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English (en)
French (fr)
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EP0368498A2 (de
EP0368498A3 (de
Inventor
John Georgiou
Thomas F. Gueth
James S. Ramsey
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Pitney Bowes Inc
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Pitney Bowes Inc
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Publication date
Application filed by Pitney Bowes Inc filed Critical Pitney Bowes Inc
Publication of EP0368498A2 publication Critical patent/EP0368498A2/de
Publication of EP0368498A3 publication Critical patent/EP0368498A3/de
Application granted granted Critical
Publication of EP0368498B1 publication Critical patent/EP0368498B1/de
Anticipated expiration legal-status Critical
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Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
    • G06K7/14—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation using light without selection of wavelength, e.g. sensing reflected white light
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
    • B07C3/00—Sorting according to destination
    • B07C3/10—Apparatus characterised by the means used for detection ofthe destination
    • B07C3/14—Apparatus characterised by the means used for detection ofthe destination using light-responsive detecting means

Definitions

  • This invention relates to a method and apparatus for reading a bar code.
  • a counter can be fashioned with a generally x-shaped window under which a flying spot scanner is located.
  • flying spot scanner is meant a device in which a beam of light is generated by a laser device and is caused to move within the area of the window for the purpose of reading a bar code symbol located on an article that is moved across the window by a clerk.
  • Another particular type of activity where a code on a medium is coming into wider use is in the processing of mail, particularly in the processing of mail by an apparatus that includes an inserter.
  • An example of an inserter is the Model 8300 Series inserter available from Pitney Bowes Inc., Stamford, Connecticut.
  • a similar inserter is disclosed in US-A-4 640 506 in such an inserter, it is frequently a practice to stack cut sheets with a code thereon. The cut sheets are fed sequentially and the code thereon read to determine how many of the sheets are to be placed within a given envelope. Once a determination is made as to how many sheets are to be fed together, then they were subsequently folded and inserts from feeding bins are added to the sheet or sheets and eventually the bundle is inserted into an envelope.
  • U.S. Patent (US-A) No. 3,862,400 discloses a code sensing system including scanning means for producing electrical signals corresponding to code marks in a row. The value of the code mark is determined by its position in its digit space in the row. A code sampling gate is generated at a particular point in each digit space and a data output is produced if the scanning means is producing a code mark output at that time.
  • U.S. Patent (US-A) No. 4,721,860 (Troendle) describes a laser scanner wherein an elliptical laser light beam is directed to the target (a bar code symbol) so as to increase the signal to noise ratio of the laser light received by the photodetector.
  • the use of laser light in the shape of an ellipse, instead of the prior spherical shaped laser light, where the long axis of the elliptical laser light is aligned with the bars of the code being read reduces the distortion of the optical signals received by the photodetector.
  • the signal to noise ratio is maximized so as to enable the resolution of fine, dense bar codes.
  • the acquisition and tracking logic responds thereto to produce deflection voltages to the image intensifier tube to provide centering on the phosphor screen.
  • outputs from the amplifier array are coupled to reading logic to generate an output waveform representative of the bar coded data.
  • U.S. Patent (US-A) No. 4,640,506 (Luperti et al ), owned by the present Applicant, discloses a collating machine. Sheets of paper are fed seriatim thereto from a singulating feeder in the same order as the sheets appear in the singulating feeder.
  • the collating machine includes a belt for transporting the sheets of paper, a ramp for lifting a succeeding sheet of paper over and onto a preceding, stopped sheet of paper, and a stopping device for stopping each sheet of paper after the sheet has been lifted by the ramp.
  • This patent also describes a removable stacking device for stacking the sheets of paper in the reverse order as the sheets appear in the singulating feeder.
  • An apparatus has been conceived whereby sheets having a bar code symbol printed thereon can be read while such sheets are moving at a relatively high speed.
  • the sheets can either be cut sheets or parts of a web that is subsequently ruptured.
  • high speed is meant in the neighbourhood of 120 inches/sec. (approx. 3050 mm per sec) and higher.
  • the system 10 includes a high speed sheet feeder 12 that is capable of conveying articles at a speed of approximately 120 inches/second (ie approx. 3050 mm/sec).
  • a low speed sheet feeder 14 upstream from the high speed sheet feeder 12 is a low speed sheet feeder 14 that feeds a stack of sheets 16 to the high speed sheet feeder.
  • Both the high speed sheet feeder 12 and low speed sheet feeder 14 are supported by a frame 15 that also supports members of the inserter system downstream therefrom.
  • the high speed sheet feeder 12 has a three piece deck 20 that is supported by the frame 15 and one member of such three piece deck has an opening 22 therein.
  • a fixed beam scanner 24 In registration with such opening is a fixed beam scanner 24 positioned so as to direct a beam of light through the opening 22.
  • An example of a suitable fixed beam scanner 24 is that available from Scan-A-Matic, Inc., and identified as Model S23005 scanner. This includes a light emitting diode (LED) device that emits an infra-red beam.
  • a lead 26 connects the scanner 24 with a decoder 28 such as a Scan-A-Matic Model D20118 decoder.
  • the decoder 28 in turn is connected by a lead 30 to a computer 32, such as a Compaq DESKPRO 386 computer.
  • the computer 32 has a keyboard 34 and display 36, or monitor, and is in communication with a controller 38 and a supervisor computer 40 which can be an Intel 80/204 single board computer.
  • a sheet feeder 41 Downstream from the high speed sheet feeder 12 is a sheet feeder 41 that conveys a single sheet fed by the high speed sheet feeder, as will be described hereinafter, through a trap 42 that holds a sheet until collation is finished further downstream.
  • the sheets are then accumulated in an accumulator 44 where collated sheets would be stapled or stacked, and then moved on to a 90° transport 46.
  • the sheets will be passed on to a diverter bin 48 if the sheets are too large to be folded. If the sheets are within size limits they will be transported to a folder 50 which is located at a right angle relative to the direction of sheet travel, as seen in Fig. 1.
  • the sheet 16, or sheets, conveyed by the transport 46 would be folded by the folder 50.
  • a transport 52 Downstream from the folder 50 is a transport 52 that conveys the sheet 16, or sheets, to an inserter feeder 54 wherein inserts would be added to the sheet, or sheets, and these would in turn be conveyed to an envelope feeder and inserter 56 wherein the sheets and the inserts would be inserted into an envelope.
  • the various components 41, 42, 44, 46 and 52 of the inserter system 10 have paired photodectors 57 such as a Scan-A-Matic Model L23307 and Model P3307 photodetectors. These detectors are in communication with the computer; whereby, the presence of a sheet 16, or sheets, at the various locations can be determined as is known in the art.
  • the leads from the various photocells are shown collectively at 59 for reasons of convenience.
  • the low speed sheet feeder 14 has a pair of shafts 62 (only one being shown) on opposite longitudinal ends thereof that are rotatably supported by the frame 15. Mounted on each of the shafts is a pair of pulleys 64 and the pulleys have a conveyor belt 66 trained thereabout.
  • One of the shafts 62 has a pulley 68 located at one of its ends, and another pulley 70 is attached to the output shaft of a motor 72 that is supported by the frame 15.
  • a drive belt 74 is trained about the pulleys 68,70 to provide drive to the conveyor belt 66.
  • a pair of stub shafts 73 are rotatably supported by the frame 15 and each has mounted thereon a pulley 75.
  • a shaft 78 is rotatably supported by the frame 15 and has a pair of pulleys 76 mounted thereon in spaced, paired relationship with the pulleys 75.
  • a conveyor belt 74 is trained about each of the pair of pulleys 75,76.
  • Another pulley 80 is mounted at one end of the shaft 78 and a drive belt 82 is trained about such pulley and another pulley 84 mounted on the output shaft of a motor 85.
  • the shaft 78 also has a roller 86 mounted thereon that is spaced relative to a stationary stone 88 that is attached to an arm 90 which is supported by the frame 15 in any convenient manner.
  • a stack of sheets 16 can be placed upon the conveyor belts 66, preferably shingled as shown in Fig. 2, conveyed onto the conveyor belts 74 so that the stack will engage the stone 88.
  • the distance between the stone 88 and roller 86 is just sufficient to allow the passage of a single sheet, the stone and roller acting to separate the bottom most sheet 16 of the stack as is known in the art.
  • the feeder 41 Downstream from the roller 86 is the feeder 41 that is made up of a shaft 94 rotatably received within a bearing box 96 that is supported by the frame 15 and three pulleys 98 are mounted on the shaft.
  • Another shaft 100 is rotatably supported by the frame 15 and also has three pulleys 102 mounted thereon that are in spaced, paired relationship with the pulleys 98.
  • Three conveyor belts 104 are trained about the paired pulleys 98,102.
  • Another shaft 108 is rotatably supported by the frame 15 below the shaft 94 and has three pulleys 110 (only one being shown) mounted thereon.
  • the shaft 100 below the shaft 100 is another shaft 112 that has three pulleys 114 (only one being shown) attached thereto in a spaced, paired relationship with the pulleys 110. Trained about the paired pulleys 110,114 are three conveyor belts 116.
  • the shaft 100 also has an end pulley 118 attached thereto. Located below the pulley 118 is a motor 122 that has a pulley 120 mounted on the output shaft thereof.
  • a drive belt 123 is trained about the pulleys 118,120 for the purpose of providing drive to the belts 104, which because of the contact with the conveyor belts 116 will convey a sheet that is received between the belts 104,116 after being separated and removed from the stack of sheets by the roller 86 and stone 88.
  • Another shaft 124 is rotatably supported by the frame and has a pair of links 125 thereon.
  • Each of the links 125 has a finger 126 mounted at one end thereof.
  • One of the links 125 has an opening 128 therein.
  • a solenoid 130 is located below the shaft 124 and has a pin 129 secured thereto that is received within the opening of the one link 125 so as to rotate the shaft 124 upon actuation of the solenoid.
  • Located outside the belts 104 are a pair of ramps 138 and upstream from the ramps 138 is a photodetector 57. The combination of ramp 138 and fingers 126 will act to hold a sheet at the trap section until sheets at the accumulator 94 are stapled.
  • the solenoid 130 is activated, the links 125 are rotated in a clockwise direction to lower the fingers 126 and the restrained sheet 16 is acted upon by the belts 104,116.
  • the light generating portion of the scanner 24 is shown directing a beam of light 37 upon a bar code symbol 18.
  • the window of the scanner 24 has an elliptical shape so that the beam of light directed to the bar code symbol forms an elliptical image.
  • the size of the beam and the distance of the scanner 24 from the bar code 18 is selected so that the maximum width of the light beam image 43 is no wider than the narrowest space between the bars, or the narrowest bar.
  • code 39 which has a configuration wherein the wide bars and wide spaces are the same width, and the narrow bars and narrow spaces are of the same width.
  • the light image 43 By having the light image 43 with a width no greater than the width of the smallest bar or space, one is able to obtain a precise reading as to whether a bar or space is being intercepted. More specifically, with this configuration, there is no overlap from one bar to another when the light beam is directed to a space. By having the light beam reflected from a space only, or from a bar only, i.e. having no overlap, a more precise, i.e. reliable, reading can be attained.
  • the window is shown as an oval shape, it will be appreciated that any other convenient shape, such as a diamond shape, can be used. The primary requirement is that the beam image 41 be substantially longer than wide.
  • this particular configuration is of value is that more light is able to be directed upon a bar code symbol than if the light beam were circular in configuration.
  • the elongated image would tend to give a more accurate reading of a bar. This is not only because it would cover more space, but because imperfections in a printed bar tend to be generally circular in nature. More specifically, there are times during printing where the black area is not filled in completely. Those areas that are not filled in completely tend to be circular. With the normal circular type of beam, the effect of a large imperfection may create an impression that the beam is reading a space whereas it is actually reading a bar. The same can be said about black spots in a space.
  • the decoder may register the presence of a bar rather than a space.
  • the relative area of the bar or space having the imperfection is reduced, thereby reducing its probability of causing any error.
  • the particular light used with the scanner 24 was an infra-red beam from a light emitting diode device and the word "light" as used in this specification is to be construed as including an infra-red beam.
  • An infra-red beam is satisfactory for detecting the presence of bar codes that are printed with carbon black ink and fluorescent inks. In some circumstances this may be advantageous.
  • visible light can read not only carbon black ink, but dye based inks as well, and it may be that under other circumstances it may be more desirable to use a scanner that emits visible light.
  • a sheet is given that would be mailed by an insurance company.
  • the sheet has a first block 142 for placing information therein relative to the name of the insured, the insurance agent, the policy number, the policy period, and the date.
  • Below a fold line 141 is another set of blocks 144 that gives the date due for the premium, the name of the insured, and the policy number.
  • the sheet also contains an address block 146 where the address of the recipient would be placed, and has the bar code symbol 18.
  • another address block 149 could be included that would have the return address of the sender that could be seen in a windowed envelope.
  • the particular bar code symbol shown is a code 39 bar code which is shown figuratively at the lower right hand corner of the sheet 16 in Fig. 5.
  • This bar code symbol contains 23 characters that are segregated into 7 sets, including sets of one, as seen at 151.
  • the first and last set contains only one digit each that are start and stop symbols.
  • the second set contains 2 digits and is used to indicate the page number of the sheet being fed.
  • the third set is made up of 6 digits and represents a,sequence number, a sequence number being assigned to each customer. More specifically, if a customer were to receive three sheets, the sheet would be numbered 1 through 3, and the sequence number would be the same on all three sheets.
  • the fourth set is made up of three digits and represents the pocket of the bin to which the envelope containing the sheets is to be fed.
  • the fifth set is a single digit, and this shows the postal discount applicable. The appropriate postal discount will depend upon how the mail is processed by the mailer, for example, if it is pre-sorted, pre-bar code printed on the envelope, and the like that reflect the postage rate to which the mailer is entitled.
  • the penultimate set is made up of 9 characters and is the 9 digit zip code. It should be noted that the seven sets represent a large amount of information to be printed upon a sheet that is fed in a mail processing apparatus. With dash codes, the amount of information, that could be obtained therefrom is much less.
  • a stack of sheets would be placed upon the low speed sheet feeder 14 and conveyed to the high speed sheet feeder 12.
  • This is optional as the stack of sheets may be placed directly upon the high speed sheet feeder 12, but because of the high speed of the latter, it is preferable to place a stack of sheets on the low speed feeder 14.
  • the sheets are shingled before or after they are placed upon the low speed sheet feeder 14.
  • the sheets 16 are placed upon the sheet feeder 14 in such a way that the bar code symbol 18 is located upstream end and in line with the scanner 24. With the sheets 16 in position, the motors 72,85 and 122 would be enabled.
  • the sheets 16 are fed onto the high speed feeder 14 and fed at a speed of at least 120 inches/sec (approx 3050 mm per sec) to the nip between the stone 88 and the roller 86 which are separated from one another a distance that conveniently allows the passage of a single sheet. Because of the presence of the stone 88, the roller 90 would tend the feed only the bottom most sheet.
  • the bar code symbol 18 would pass over the opening 22 and the scanner 24 would direct the beam of light 37 onto the bar code symbol 18 from which it would be reflected back to the scanner.
  • the bar code 18 would be read by the scanner 24 and the information in the form of an analog signal is received by the decoder 28.
  • the decoder 28 converts the analog signal to a digital signal and transforms that data into an ASCII code that is sent to the computer 32.
  • the computer 32 also receives data from the photodetectors 57 thereby indicating to the computer the positions of the various sheets being fed.
  • the bar code symbol 18 will be read and a determination made as to the identity of the customer and which of the sheets should be fed together.
  • the sheets are then conveyed on to the accumulator 44 wherein they would come in contact with the fingers 128. If only one sheet is to be fed, the computer would cause the solenoid 130 to rotate the shaft 124, 180 degrees thereby allowing the sheet to be fed. If more than one sheet 116 is to be fed together, the first sheet would travel up the ramp 138 and be collected downstream from the ramp by contacting the fingers 126 when the fingers are in a blocking position. That sheet 16 will remain until all other sheets that are to accompany it are placed thereupon.
  • the computer 32 When the last sheet of the set, as indicated by the sequence number, is collected, the computer 32 will cause the set to be stapled and the solenoid 130 to rotate the shaft 124, through contact with the links 125, thereby placing the fingers in an unblocking position.
  • the set of stapled sheets will then be forwarded by the belts 104,116 to the transport 46. Assuming that the sheet, or sheets, are of a size such that they can be folded, the sheet will be rotated and conveyed to the folder 50. If the sheet is too large to be folded, it is not diverted and will be collected in a reject bin 48. After the sheet or sheets 16 are folded by the folder 50, they will then be transported to the inserter 54 wherein the inserts to be placed into the envelope with the sheets are fed thereupon.
  • bar code symbol 18 has been mentioned in general terms, this invention is directed to scanning certain codes: code 39, code 11, code 2 of 5, the Nixdorf code, EAN-13, EAN-8, these being examples of commercially known bar codes.
  • the system is first initialized 150 thereby initializing the inserter system 10, the decoder 28 and the computer 32. Once the components of the system are initialized, a first sheet is fed 152 and an inquiry is made whether there is a request by the supervisor 40 to be communicated to the computer 158. If there is no request to be communicated, an inquiry is made whether there is serial data 160. If there is no such serial data, the system is reset 162. If there is serial data, the question is asked whether the scanner is blocked 168. If the scanner is not blocked, then there is a reset 162.
  • the request to send data is set 172 and the question is asked whether data is being read 174. If data is not being read, there is a return. If data is being read, the command is given to store the data 176. After the data has been read and stored, the question is asked if the last character been read 178. If not, there is a return back to the inquiry of whether the data is being read 174. If the last character has been read, a request to send is reset 180 and the data read is analyzed 182. After the data is analyzed the next sheet is fed 183 and the question is asked whether there is a change in the sequence of the data read 184. If there is, then a trap output is set 186. If the sequence is not the same, then the envelope feeder is enabled 188 and data to be tracked is collected 190. This completes the processing of a sheet and the shift data arrays are then cleared 192 and there is a return to the beginning of the cycle.
  • the question is then asked is there a request to send scanner data to the inserter 194. If the answer is yes, the data is formatted for transmission to the inserter 196, and then this data is communicated between the computer 32 and the inserter 198. Thereafter, there is a return to request to send 158. If there is no request to send scanner data to the inserter 194, the question is asked should a diagnostic be performed 200. If there is no such request, there is a return to the communication request query 158, but if there is such request, the question is then asked if there is a request to check the photodetectors 202. If the answer is no, then a command is given to feed the sheet and display it 204. Following this, there is a return, but if there is a request to check the photodetectors 57, the sensors are checked 206, and there is a return to the communication request 158.
  • the above program illustrates a sequence wherein sheets are being fed by the sheet feeder 16. Clearly, the process must be started, and this is accomplished through the control supervisor 40 in cooperation with the computer 32. The supervisor 40 will cause the sheet feeder 16 to be enabled upon input from the keyboard 34. After this initial feeding, the scanner 24 will control the subsequent feeding in cooperation with the computer 32.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Artificial Intelligence (AREA)
  • General Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Electromagnetism (AREA)
  • Health & Medical Sciences (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Collation Of Sheets And Webs (AREA)
  • Facsimile Scanning Arrangements (AREA)
  • Sorting Of Articles (AREA)
  • Printers Characterized By Their Purpose (AREA)
  • Character Input (AREA)

Claims (1)

  1. Eine Vorrichtung zum Lesen eines Balkencodesymbol auf einem Artikel, umfassend eine Abtasteinrichtung (24) mit festem Strahl, angeordnet zum Bereitstellen und Richten eines lateral-länglichen vorzugsweise elliptischen Strahls in Richtung auf das Balkencodesymbol hin, wobei die Länge des Strahls zu der Längsachse der Balken des Balkencodesymbols ausgerichtet ist, und eine Leseeinrichtung in Kommunikation mit der Abtasteinrichtung mit festem Strahl zum Lesen der abgetasteten Balkencodesymbole, wobei die Leseeinrichtung eine Decodierungseinrichtung (28) in Kommunikation mit der Abtasteinrichtung zum Decodieren des von der Abtasteinrichtung abgetasteten Balkencodes umfaßt;
    gekennzeichnet durch die Kombination von
    (a) einer Zuführungseinrichtung (12) zum Zuführen von Bögen (16), die mit einem Balkencodesymbol (18) markiert sind, bei einer Geschwindigkeit von wenigstens 120 Inch/Sekunde (ungefähr 3050 mm pro Sekunde);
    (b) eines Decks (20) der Vorrichtung, das eine Öffnung (22) darin aufweist;
    (c) eines Paars von Riemen (74), die sich um Rollen (75, 76) erstrecken, die angeordnet sind, um die Bögen an eine Block-(88)/Rollen-(86)-Kombination zu transportieren; und
    (d) eines Computers (32) in Kommunikation mit der Decodereinrichtung (28);
    wobei die Abtasteinrichtung (24) mit festem Strahl stromaufwärts von der Block-Rollen-Kombination (88, 86) und unterhalb und in Ausrichtung zu der Öffnung (22) positioniert ist, um das Balkencodesymbol (18) auf dem Bogen (16) abzutasten, wenn der Bogen von der Zuführungseinrichtung zugeführt wird, wobei die Abtasteinrichtung ein lateral-längliches vorzugsweise elliptisches Fenster aufweist;
    wobei die Abtasteinrichtung (24) mit festem Strahl irgendeinen gewählten der folgenden Typen von Balkencodes: Code 11, Code 39, Code 2 aus 5, Nixdorf-Code, EAN-13, EAN-8 abtasten kann; und
    die Abtasteinrichtung (24) mit festem Strahl angeordnet ist, um einen Lichtstrahl zu erzeugen, der eine Breitendimension senkrecht zu der Längsachse der Balken des Balkencodesymbols an der Stelle des Symbols (18) aufweist, die nicht größer als der kürzeste Abstand zwischen benachbarten Balken von irgendeinem Balkencodesymbol der Barcodetypen ist.
EP89310865A 1988-11-10 1989-10-23 Verfahren und Vorrichtung zum Abtasten von Strichkodes auf einem laufenden Blatt Expired - Lifetime EP0368498B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US269390 1988-11-10
US07/269,390 US5008520A (en) 1988-11-10 1988-11-10 Method and apparatus for reading a bar code on a moving sheet

Publications (3)

Publication Number Publication Date
EP0368498A2 EP0368498A2 (de) 1990-05-16
EP0368498A3 EP0368498A3 (de) 1991-10-09
EP0368498B1 true EP0368498B1 (de) 1996-05-01

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ID=23027041

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Application Number Title Priority Date Filing Date
EP89310865A Expired - Lifetime EP0368498B1 (de) 1988-11-10 1989-10-23 Verfahren und Vorrichtung zum Abtasten von Strichkodes auf einem laufenden Blatt

Country Status (6)

Country Link
US (1) US5008520A (de)
EP (1) EP0368498B1 (de)
JP (1) JP2823606B2 (de)
AU (1) AU4380389A (de)
CA (1) CA2001058C (de)
DE (1) DE68926379T2 (de)

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CN1466538A (zh) * 2000-08-02 2004-01-07 ����³���ʹ�˾ 物品处理系统
US7258277B2 (en) * 2004-12-17 2007-08-21 Pitney Bowes Inc. Method for enhancing mail piece processing system
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Also Published As

Publication number Publication date
JP2823606B2 (ja) 1998-11-11
JPH02244389A (ja) 1990-09-28
US5008520A (en) 1991-04-16
EP0368498A2 (de) 1990-05-16
CA2001058C (en) 1997-09-30
DE68926379D1 (de) 1996-06-05
DE68926379T2 (de) 1996-11-07
AU4380389A (en) 1990-05-17
EP0368498A3 (de) 1991-10-09
CA2001058A1 (en) 1990-05-10

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